第二个关键决定诞生于1979年。
石墨烯最早在2004年诞生于一个实验室,本质上是一层由纯碳原子组成的蜂窝状晶格层,薄到竟被认为是二维物质。
First produced in a lab back in 2004, graphene is essentially a single layer of pure carbon atoms bonded together in a honeycomb lattice so thin it's actually considered two-dimensional.
你知道,今天是一个非常特殊的日子,今天是万维网诞生20周年。
You know, today is a very special day, that's the 20th anniversary of the World Wide Web.
as we've seen, establishing a fiction that works to place himself at the scene of a nativity that obviously occurs 1600 years and change before his own birth.
我们也看到了,他创建了一个虚构的景象,把自己放进了基督诞生的幻景中,而这些比他出生早1600年发生并不断在改变。
This all happened in 1998.
这都诞生于1998年。
So, that was the RollAboard--that was 1991.
这就是RollAboard的诞生,1991年才出现。
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